Stifflers Chassis and Suspension, a leader in late model Mustang and F150 chassis & suspension products, designs, tests and manufactures components for the true enthusiast. Whether used at the local track or on the street, Stifflers' innovative products are engineered to deliver on their promise of quality, fit, finish and functionality. Our focus at Stifflers is to develop products that satisfy the needs of the end-user, and to design those products to be the most innovative components available on the market today.
Made in the U.S.A. The creation of all Stiffler's products, starting with design and testing, through the manufacturing process, to packaging and shipping, are completed here at their facility to ensure everything meets and exceeds Stiffler's high standards every step of the way. This is their commitment to their customers.
Because of this, we stand behind our products 100%. When you buy a Stifflers product, you are purchasing a highly engineered product that will fit and work right the first time, every time. Trust and quality is what we stand behind and build into every component we make.